C++ Program to Print Left Arrow Alphabets Pattern

Write a C++ program to print left arrow alphabets pattern using for loop.

#include<iostream>
using namespace std;

int main()
{
	int rows, i, j, alphabet;

	cout << "Enter Left Arrow Pattern of Alphabets Rows = ";
	cin >> rows;

	cout << "The Left Arrow Alphabets Pattern\n";
	alphabet = 65;

	for (i = rows - 1; i >= 0; i--)
	{
		for (j = i; j >= 0; j--)
		{
			cout << char(alphabet + j) << " ";
		}
		cout << "\n";
	}

	for (i = 0; i < rows; i++)
	{
		for (j = i; j >= 0; j--)
		{
			cout << char(alphabet + j) << " ";
		}
		cout << "\n";
	}
}
C++ Program to Print Left Arrow Alphabets Pattern

C++ program to print left arrow alphabets pattern using a while loop.

#include<iostream>
using namespace std;

int main()
{
	int rows, i, j, alphabet;

	cout << "Enter Left Arrow Pattern of Alphabets Rows = ";
	cin >> rows;

	cout << "The Left Arrow Alphabets Pattern\n";
	alphabet = 65;
	i = rows - 1;

	while (i >= 0)
	{
		j = i;
		while (j >= 0)
		{
			cout << char(alphabet + j) << " ";
			j--;
		}
		cout << "\n";
		i--;
	}

	i = 0;
	while (i < rows)
	{
		j = i;
		while (j >= 0)
		{
			cout << char(alphabet + j) << " ";
			j--;
		}
		cout << "\n";
		i++;
	}
}
Enter Left Arrow Pattern of Alphabets Rows = 13
The Left Arrow Alphabets Pattern
M L K J I H G F E D C B A 
L K J I H G F E D C B A 
K J I H G F E D C B A 
J I H G F E D C B A 
I H G F E D C B A 
H G F E D C B A 
G F E D C B A 
F E D C B A 
E D C B A 
D C B A 
C B A 
B A 
A 
A 
B A 
C B A 
D C B A 
E D C B A 
F E D C B A 
G F E D C B A 
H G F E D C B A 
I H G F E D C B A 
J I H G F E D C B A 
K J I H G F E D C B A 
L K J I H G F E D C B A 
M L K J I H G F E D C B A 

This C++ example displays the left arrow pattern of alphabets using a do while loop.

#include<iostream>
using namespace std;

int main()
{
	int rows, i, j, alphabet;

	cout << "Enter Left Arrow Pattern of Alphabets Rows = ";
	cin >> rows;

	cout << "The Left Arrow Alphabets Pattern\n";
	alphabet = 65;
	i = rows - 1;

	do
	{
		j = i;
		do
		{
			cout << char(alphabet + j) << " ";

		} while (--j >= 0);
		cout << "\n";

	} while (--i >= 0);

	i = 0;
	do
	{
		j = i;
		do
		{
			cout << char(alphabet + j) << " ";

		} while (--j >= 0);
		cout << "\n";

	} while (++i < rows);
}
Enter Left Arrow Pattern of Alphabets Rows = 17
The Left Arrow Alphabets Pattern
Q P O N M L K J I H G F E D C B A 
P O N M L K J I H G F E D C B A 
O N M L K J I H G F E D C B A 
N M L K J I H G F E D C B A 
M L K J I H G F E D C B A 
L K J I H G F E D C B A 
K J I H G F E D C B A 
J I H G F E D C B A 
I H G F E D C B A 
H G F E D C B A 
G F E D C B A 
F E D C B A 
E D C B A 
D C B A 
C B A 
B A 
A 
A 
B A 
C B A 
D C B A 
E D C B A 
F E D C B A 
G F E D C B A 
H G F E D C B A 
I H G F E D C B A 
J I H G F E D C B A 
K J I H G F E D C B A 
L K J I H G F E D C B A 
M L K J I H G F E D C B A 
N M L K J I H G F E D C B A 
O N M L K J I H G F E D C B A 
P O N M L K J I H G F E D C B A 
Q P O N M L K J I H G F E D C B A 

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Suresh is the founder of TutorialGateway and a freelance software developer. He specialized in Designing and Developing Windows and Web applications. The experience he gained in Programming and BI integration, and reporting tools translates into this blog. You can find him on Facebook or Twitter.